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Old 23rd January 2012, 04:44 PM   #1
zobsky is offline zobsky  India
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Default Are these tube PCBs any good ?

Blank tube PCB's

Universal prototype PCB fr Tube Amplifiers Preamp 2015C | eBay
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Old 23rd January 2012, 08:17 PM   #2
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I wouldn't spend my money in China! It seems that all these boards do is provide holes for sockets. IMHO, one would be better off by building on a metal sheet and using point to point wiring or fiberglass modules with Y studs like Keystone sells. Ray
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Old 23rd January 2012, 09:51 PM   #3
zobsky is offline zobsky  India
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Quote:
Originally Posted by grhughes View Post
I wouldn't spend my money in China! It seems that all these boards do is provide holes for sockets. IMHO, one would be better off by building on a metal sheet and using point to point wiring or fiberglass modules with Y studs like Keystone sells. Ray
Yes, that's been my approach in the past, broadly speaking. What are Y studs ?
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Old 23rd January 2012, 10:10 PM   #4
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Keystone Electronic Hardware makes Military fiberglass boards with Y solder posts. You can buy them in any config with any type of posts (double sided, single sided, Y ). Keystone Electronics Corp. - Keystone Electronics World class manufacturer of interconnect components & hardware catalog page 131, (MS27249). These are not as cheap as the china product but Mil spec quality. There is another guy on ebay that sells a similar product. Many of the tube type classic preamps used this type of construction; Harmon Kardon, Marantz, McIntosh. You could also make your own if you have a drill press. I found the posts on ebay. Concord electronic Hardware also makes them.Concord Electronics, Inc. Store | About Concord Electronics, Inc.

Terminal Post Solder Lug Stud 10 ea. NOS Tube Amplifier | eBay
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Old 23rd January 2012, 10:10 PM   #5
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If you are prototyping octal tubes, ApexJr has a great solution for $2.00......

Potter & Brumfield octal socket with screw terminals.

http://www.apexjr.com/images/PotterSccket.jpg

Tube Scokets
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Old 23rd January 2012, 10:11 PM   #6
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On ebay search for TURRET BOARDS. Ray
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Old 23rd January 2012, 11:44 PM   #7
Loren42 is offline Loren42  United States
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Quote:
Originally Posted by zobsky View Post
What are Y studs ?
[p]
Try building them with soda straws and you will see Y studs.
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Old 24th January 2012, 07:37 AM   #8
Ciu is offline Ciu  France
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Quote:
Originally Posted by zobsky View Post
Hello !

I'm using these parts for some years...
Most of pins are "metalized thru holes", not like usual PCB, so you can solder-unsolder many times
The boards are rigid, due to it's thickness ...

R.C.
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